Questions tagged [cache]

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Network Profile cached files don't update for all events

The problem: Two years ago, I asked a question on User Experience that received 13 upvotes: For death year, should I use N/A or --- if person still alive? Six months ago, a user was removed, and the ...
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14 views

The reputation badge shown in the summary, changes depending on the site. [duplicate]

Today I logged in to aviation.se to find that for a badge earned at stackexchange, the reputation change dropdown was showing me an aviation badge icon. So naturally I reported it at meta.aviation, ...
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37 views

Time needed to refresh questions list from a cache

How much time must pass, before my newly asked question will appear on my questions list? Currently (as of moment of writing this), thirteen 34 minutes has passed and there is no such update. This ...
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1answer
171 views

Stubborn +24 in the topbar that won't go away

I currently have this in my topbar: I click it. The list shows up and the indicator is gone. Yay! Then I load another page. And the indicator is back. Is this related in some way to the recent Redis ...
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0answers
38 views

Posts white-out after browser tab has been open for a while

I've noticed some strange behavior a lot lately. In Safari, if I leave a tab open to a StackOverflow post for a while, then navigate back to it, parts of the post are whited-out. Is this a web browser ...
2
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1answer
75 views

Ajax loading seems to be more updated than the actual home page

I've noticed a strange little issue, which is most likely related to caching. When I'm on the homepage of a Stack Exchange site (not on Stack Overflow), it would occationally tell me that there's new ...
12
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1answer
308 views

New questions page - caches for too long?

The newest questions page seems to be caching for much longer than it used to (multiple minutes - sometimes more than 10 minutes). I have seen this happen when the site updates, but it has been like ...
9
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0answers
72 views

Will be nice to have “force flair cache update”

I know there is a flair cache (about 24 hours to expire). I understand that this is needed for performance. It will be nice however to have ability to click "force flair update". It can be CAPTCHA-...
8
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1answer
88 views

How often are the low quality posts in the `/review` path re-evaluated?

After editing some questions and answers, I see immediately on the page that they have been edited. However, it takes some time before these entries go off the page. How often is this page re-...
12
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1answer
175 views

Error in Cache-Control header

All pages (that I tested) on Stack Overflow have this header: Cache-Control: public, max-age=60 The problematic part is the public keyword which should be private instead. According to RFC 2616, ...
11
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1answer
524 views

No cache-control on Atom feed

I made my own Atom parser on my server to parse some Atom feed from stackoverflow. But this ressource don't have cache-control. For instance if you fetch headers of https://stackoverflow.com/feeds/tag/...
26
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5answers
11k views

Force Gravatar Refresh

When a gravatar is changed, other users will only notice it if they clear their cache. Therefore, Gravatar changes can go unnoticed for a very long time because people don't usually clear their cache....
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0answers
114 views

Invalidate cache when new question is posted

The Newest tab is cached for 2 minutes. This means that if a new question is posted, it may not appear for up to 2 minutes. Is there a way to increase the cache time, but invalidate the cache ...
4
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1answer
168 views

SO tells you who deleted their answers…maybe?

I answered a question this morning about how to get the number of rows returned from a mysql query in PHP. Relatively easy question, so I wasn't amazed when Paolo Bergantino left a comment that he was ...